The model used, GAMEDE, is a “whole-farm” dynamic model composed of 6 biophysical modules and a management system (Vayssières et al, 2009). This simulation model gives accurate predictions for various sustainability indicators (labor, energy consumption, production, nitrogen leaks to the...

Livestock supply must challenge the growth of final demand in the developing countries. This challenge has to take into account its ecological effects since the dairy and livestock sectors are clearly pointed out as human activities which contribute significantly to environmental deterioration....

Various methodological improvements in production function modelling allow the integration of undesirable outputs, the distinction between stakeholders? objective-function and the sectoral aggregation of individual technologies. This paper gathers these concepts in order to assess the...